/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    https://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.grails.taglib

import spock.lang.Specification

class TemplateVariableBindingSpec extends Specification {

    def "should be able to read variables of parent binding"() {
        when:
        def vars = [foo: 'bar']
        def parentBinding = new TemplateVariableBinding(vars)
        def childBinding = new TemplateVariableBinding(parentBinding)

        then:
        childBinding.hasVariable('foo')
        childBinding.getVariables().containsKey('foo')
        childBinding.getVariableNames().contains('foo')
        // getVariable() has to be called last, because found variables of parent contexts are cached.
        // subsequent calls to hasVariable() would hit the cached variable.
        childBinding.getVariable('foo') == 'bar'
    }
}
